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MDPI, Sensors, 11(7), p. 2920-2928, 2007

DOI: 10.3390/s7112920

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Enhanced Sensory Properties of a Multichannel Quartz Crystal Microbalance Coated with Polymeric Nanobeads

Journal article published in 2007 by Simone Pantalei, Emiliano Zampetti, Antonella Macagnano, Andrea Bearzotti ORCID, Iole Venditti ORCID, Maria V. Russo
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

In this study the sensorial performances of a four-channel quartz crystal microbalance implemented on a single quartz plate are reported and compared with those of four independent quartz crystal microbalances. Particular attention has been devoted to both cross talk in responses and sensor sensitivity. A recently synthesized nanostructured polymer, poly[phenylacetylene-(co-2-hydroxyethyl methacrylate)], has been used as chemical interactive material. The interactions of our sensor system with relative humidity are also reported. The multichannel device shows a better homogeneity of the mass sensitivity with a spread of the values less then 4% compared to a 50% spread observed in the set of four microbalances.